The US Air Force's attempt to design a fighter pilot seat based on the average dimensions of all pilots resulted in a seat that fit zero individuals. This illustrates a critical flaw in design and advice: optimizing for a statistical average often creates a solution that is ill-suited for any single real person.

The skilled trades face a massive labor shortage, and tapping into the female workforce is an economic necessity. However, growth is hindered by ill-fitting personal protective equipment (PPE) designed for men. Providing proper, female-specific PPE is not just a safety issue but an economic imperative to unlock this vital talent pool.

Product design often targets a mythical "average" person, which means it serves no one perfectly. Superior design, like HumanScale's Freedom chair, adapts automatically to the individual user's weight and shape, providing tailored support without manual adjustments.

"Non-promotable tasks" (NPTs) are essential to an organization but do not lead to advancement. A study at a professional services firm found women perform 200 more hours of NPTs per year than men. This inequity equals an entire extra month of unrewarded work, hindering their career progression.

The principle of universal design argues that solving for extreme use cases uncovers fundamental problems that benefit all users. Curb cuts made for wheelchairs help people with strollers, and lighter body armor designed for female soldiers proved superior for many male soldiers.

Women in design and engineering leadership face more than just gender bias. They encounter a "triple bind": bias as a woman, bias against their creative role in favor of technical pragmatism, and bias against them as leaders. This compounded prejudice systematically diminishes their impact and perpetuates male-dominated design norms.

The tendency to "overthink," often negatively labeled in women, is a powerful asset in product leadership. It represents the ability to see around corners, manage multiple interdependent threads, and proactively de-risk complex projects.

Office workers hunch over desks not because it's comfortable, but because their chairs are locked in place. The complex knobs and levers are so unintuitive that virtually no one knows how to adjust them for reclining, revealing a major design failure, not user error.

Many people blame their poor posture and back pain on a lack of personal discipline. However, the root cause is often poor environmental design, such as office chairs that are too complex to adjust, which forces people into unhealthy static positions.